Umegbolu, Emmanuel I. 2019. “The Roles of Stethoscopes and Sphygmomanometers in Hospital-Acquired Infections: A Case Study of Some District Hospitals in Enugu State, Southeast Nigeria”. International Journal of Research in Medical Sciences 7 (5):1686-91. https://doi.org/10.18203/2320-6012.ijrms20191659.